package com.atguigu.eduservice.controller.front;

import com.atguigu.commonutils.JwtUtils;
import com.atguigu.commonutils.R;
import com.atguigu.commonutils.ordervo.CourseWebVoOrder;
import com.atguigu.eduservice.client.OrdersClient;
import com.atguigu.eduservice.entity.EduCourse;
import com.atguigu.eduservice.entity.chapter.ChapterVo;
import com.atguigu.eduservice.entity.frontvo.CourseFrontVo;
import com.atguigu.eduservice.entity.frontvo.CourseWebVo;
import com.atguigu.eduservice.service.EduChapterService;
import com.atguigu.eduservice.service.EduCourseService;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.util.List;

@RestController
@RequestMapping("/eduservice/coursefront")
@CrossOrigin
public class CourseFrontController {

    @Autowired
    private EduCourseService courseService;

    @Autowired
    private EduChapterService chapterService;

    @Autowired
    private OrdersClient ordersClient;

    /**
     * 条件查询带分页查询课程
     */
    @PostMapping("getFrontCourseList/{page}/{limit}")
    public R getFrontCourseList(@PathVariable("page") long page,
                                @PathVariable("limit") long limit,
                                @RequestBody(required = false) CourseFrontVo courseFrontVo) {
        Page<EduCourse> pageCourse = new Page<>(page, limit);
        List<EduCourse> list = courseService.getCourseFrontList(pageCourse, courseFrontVo);
        // 返回分页所有数据
        return R.ok().data("course", list).data("total", pageCourse.getTotal());
    }

    /**
     * 课程详情的方法
     */
    @GetMapping("getFrontCourseInfo/{courseId}")
    public R getFrontCourseInfo(@PathVariable("courseId") String courseId,
                                HttpServletRequest request) {
        // 根据课程id，编写sql语句查询课程信息
        CourseWebVo courseWebVo = courseService.getBaseCourseInfo(courseId);

        // 根据课程id查询章节和小节
        List<ChapterVo> chapterVideoList = chapterService.getChapterVideoByCourseId(courseId);

        String id = JwtUtils.getMemberIdByJwtToken(request);
        // 根据用户id和课程id查询课程支付状态
        boolean buyCourse = ordersClient.isBuyCourse(courseId, id);
        return R.ok().data("courseWebVo", courseWebVo).data("chapterVideoList", chapterVideoList).data("isBuy", buyCourse);
    }

    /**
     * 根据课程id查询课程信息
     */
    @GetMapping("getCourseInfoOrder/{id}")
    public CourseWebVoOrder getCourseInfoOrder(@PathVariable("id") String id) {
        CourseWebVo courseInfo = courseService.getBaseCourseInfo(id);
        CourseWebVoOrder courseWebVoOrder = new CourseWebVoOrder();
        BeanUtils.copyProperties(courseInfo, courseWebVoOrder);
        return courseWebVoOrder;
    }

}
